Home / 28,102.34-42,149.25-10,568.07

Finding the Fourth Proportional to 28,102.34, 42,149.25 and 10,568.07

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Solution

The fourth proportional to 28,102.34, 42,149.25 and 10,568.07 is: 15,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,102.34 : 42,149.25 = 10,568.07 : x
  2. Step 2: Convert to fraction form
    28,102.34/42,149.25 = 10,568.07/x
  3. Step 3: Cross multiply
    28,102.34x = 42,149.25 × 10,568.07
  4. Step 4: Simplify right side
    28,102.34x = 445,436,224.45
  5. Step 5: Solve for x
    x = 445,436,224.45/28,102.34
  6. Step 6: Final answer
    x = 15,850.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.